Shearable drive coupler



FIG. 1 is a top perspective view of a shearable drive coupler showing my new design;

FIG. 2 is bottom perspective view of the shearable drive coupler;

FIG. 3 is a top view of the shearable drive coupler;

FIG. 4 is a front view of the shearable drive coupler, a rear view being a mirror image thereof;

FIG. 5 is a cross-sectional view of the shearable drive coupler taken along line 5-5 to showing a depth of various layers of openings extending through the shearable drive coupler; and,

FIG. 6 is a top perspective view of the shearable drive coupler, the portions shown in phantom being to show environment and forming no part of the claimed design. 

CLAIM The ornamental design for a shearable drive coupler, as shown and described. 